| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light condensing sheet laminated light diffusion plate (1) in which a light diffusion plate (2) and a light condensing sheet (4) are not rubbed to each other and which can diffuse and transmit a transmission light (L) at sufficient luminance. <P>SOLUTION: In the light condensing sheet laminated light diffusion plate (1), the light condensing sheet (4) is bonded on one surface (2a) of the light diffusion plate (2) through an adhesive layer (3). Recesses and projections are provided on the surface (2a), and the light condensing sheet (4) is bonded in such a manner that the adhesive layer (3) is not brought into contact with the bottom parts (2a1) of the recesses and projections. <P>COPYRIGHT: (C)2008,JPO&INPIT |
